function ans = uniqPerPatient(info)
    patients = unique(info(:,5));
    size(patients)
    ans=zeros(1,size(info,2));    
    for(id=1:size(patients,1))
        for(col=1:size(ans,2))
            ans(id,col)= size(unique(info(find(info(:,5)==patients(id)),col)),1);
        end;    
    end;
end;
